WO2021056360A1

WO2021056360A1 - Atomization apparatus

Info

Publication number: WO2021056360A1
Application number: PCT/CN2019/108304
Authority: WO
Inventors: 付家祺
Original assignee: 深圳雾芯科技有限公司
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2021-04-01

Abstract

An atomization apparatus (100), containing a liquid storage assembly (100A) and a battery assembly (100B), the liquid storage assembly (100A) comprising a liquid cup (11), a hollow insertion tube (14) and a heating apparatus (13). The liquid cup (11) has an accommodation space (11d). The hollow insertion tube (14) is disposed in the liquid cup (11), the hollow insertion tube (14) having a tube wall surface (14a) and at least one e-liquid flow channel (14c) penetrating the tube wall surface (14a). The heating apparatus (13) is disposed in the hollow insertion tube (14), and comprises a hollow tube element (20) and a heating core (21). The hollow tube element (20) has an inner wall surface (20a), and at least one part of the heating core (21) is disposed on the inner wall surface (20a). The battery assembly (100B) is electrically coupled to the heating core (21).

Description

Atomization device

Technical field

The present application generally relates to an electronic device, and in particular, to an atomization device (vaporization device) that provides inhalable aerosol (aerosol).

Background technique

With more and more stringent regulations and restrictions on tobacco products by governments in various regions of the world, people's demand for alternatives to tobacco is also growing. The electronic cigarette device may be a tobacco substitute, which uses an electronic aerosol device or an electronic vapor device to atomize an atomizable material (for example, e-liquid) to generate an aerosol for the user to inhale, thereby achieving a simulated smoking Sensory experience. Compared with traditional tobacco products, e-cigarette devices can effectively reduce harmful substances produced by combustion, thereby reducing the harmful side effects of smoking.

However, e-cigarette devices often have some limitations in repetitive use, including: the need to replace or fill their e-liquid, complicated operations, e-liquid spills, scorching, shortage of battery life, and high prices, etc., which are inevitable. Caused a bad user experience. Therefore, it is necessary to further develop and improve electronic cigarette devices.

Summary of the invention

The present application provides an atomizer device in an attempt to solve at least one problem existing in the related field to at least one degree.

Some embodiments of the application provide an atomization device. The proposed atomization device includes an oil storage assembly and a battery assembly, wherein the oil storage assembly includes an oil cup, a hollow cannula, and a heating device. The oil cup has an accommodating space. The hollow insert tube is arranged in the oil cup, and the hollow insert tube has a tube wall surface and at least one smoke oil flow channel penetrating through the tube wall surface. The heating device is arranged in the hollow insert tube and includes a hollow tube and a heating core. The hollow pipe has an inner wall surface, and at least a part of the heating core is arranged on the inner wall surface. The battery assembly is electrically coupled to the heating core.

In some embodiments, the oil cup has a first opening and a second opening opposite to each other, the hollow cannula has a top opening and a bottom opening, and the oil storage assembly further includes a top rubber plug disposed at the top In the first opening, the top rubber plug has an air outlet channel which communicates with the top opening.

In some embodiments, the oil storage assembly further includes an oil cup base disposed at the first opening of the oil cup, the oil cup base has an air inlet channel, and the air inlet channel has mutually opposite The top opening and the bottom opening, the top opening communicates with the hollow cannula, the bottom opening communicates with the battery assembly, wherein the inner wall of the oil cup, the outer wall of the hollow cannula, and the top of the oil cup base The surface and the bottom of the top rubber plug are surrounded together to form a closed oil storage bin.

The additional aspects and advantages of the embodiments of the present application will be partially described, shown, or explained through the implementation of the embodiments of the present application in the subsequent description.

Description of the drawings

When read in conjunction with the accompanying drawings, various aspects of the present invention can be easily understood from the following detailed description. It should be noted that various features may not be drawn to scale, and the size of various features may be arbitrarily increased or decreased for clarity of discussion.

1A, 1B, 1C, and 1D are exemplary top, front, bottom, and side views of an atomization device according to some embodiments of the present application.

Fig. 1E is an exemplary front cross-sectional view of an atomization device according to some embodiments of the present application.

Fig. 2A is a partial exploded view of an atomization device according to some embodiments of the present application.

Fig. 2B is a partial cross-sectional view of the atomization device according to some embodiments of the present application.

Fig. 3A is a first perspective exploded view of a part of an atomization device according to some embodiments of the present application.

Fig. 3B is a second perspective exploded view of a part of the atomization device according to some embodiments of the present application.

4A is a cross-sectional view of a hollow tube and a heating core of a heating device according to some embodiments of the application.

Fig. 4B is a side view of the hollow tube and the heating core of the heating device according to some embodiments of the present application.

detailed description

The following disclosure provides many different embodiments or examples for implementing different features of the provided subject matter. Specific examples of components and arrangements are described below. Of course, these are only examples and are not intended to be limiting. In the present invention, the reference to the formation of the first feature on or on the second feature in the following description may include embodiments in which the first feature and the second feature are formed in direct contact, and may also include additional features that may be formed on An embodiment between the first feature and the second feature so that the first feature and the second feature may not be in direct contact. In addition, the present invention may repeat reference numerals and/or letters in each example. This repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and/or configurations discussed.

The embodiments of the present invention are discussed in detail below. However, it should be understood that the present invention provides many applicable concepts that can be implemented in a variety of specific situations. The specific embodiments discussed are merely illustrative and do not limit the scope of the invention.

In this context, the term "aerosol for user inhalation" may include, but is not limited to, aerosols, suspended liquids, low-temperature vapors, and volatile gases.

The embodiment of the application provides an atomization device. The atomization device may include a disposable electronic cigarette. The disposable electronic cigarette is an electronic cigarette device that does not repeatedly replace, inject or modify various components (for example, batteries or e-liquid) contained therein. The atomizing device can atomize the vaporizable material through a heating device to generate an aerosol for inhalation by the user. The atomization device of the present application can simplify the user's operation and improve the user's experience.

Figures 1A, 1B, and 1C illustrate exemplary top, front, and bottom views of an atomization device according to some embodiments of the present application. Fig. 1D is an exemplary cross-sectional side view of an atomization device according to some embodiments of the present application. Fig. 1E is an exemplary front cross-sectional view of an atomization device according to some embodiments of the present application.

According to one aspect of the embodiments of the present application, the atomization device 100 includes an oil storage assembly 100A and a battery assembly 100B. In this embodiment, the oil storage assembly 100A and the battery assembly 100B are an integrated design. In some embodiments, the oil storage assembly 100A and the battery assembly 100B may be of a separate design.

Fig. 2A is a partial exploded view of an atomization device according to some embodiments of the present application. In FIG. 2A, the cigarette holder cover 11a and the top rubber plug 12 are separated from the housing 10. Fig. 2B is a partial cross-sectional view of the atomization device according to some embodiments of the present application. As shown in FIGS. 2A and 2B, the atomization device 100 further includes a housing 10, wherein at least a part of the oil storage assembly 100A and the battery assembly 100B are covered and fixed by the housing 10.

Fig. 3A is a first perspective exploded view of a part of an atomization device according to some embodiments of the present application. Fig. 3B is a second perspective exploded view of a part of the atomization device according to some embodiments of the present application.

As shown in FIGS. 3A and 3B, the oil storage assembly 100A includes an oil cup 11, a cigarette holder cover 11a, a top rubber plug 12, a heating device 13, a hollow cannula 14 and an oil cup base 15. The oil storage assembly 100A is configured to store volatile materials and pass the heating device 13 to generate aerosol for inhalation by the user. Hereinafter, "volatile material" may also be referred to as "e-liquid".

As shown in FIGS. 3A and 3B, the atomization device 100 further includes a housing 10. The battery assembly 100B includes a housing 10, a battery holder 16, a battery 17, a sensor 18 and a sensor package 19.

The housing 10 has an opening 10a at the top end along the longitudinal axis direction L. As shown in FIG. The housing 10 has at least one or more openings 10b at the bottom end in the longitudinal direction L. The oil storage assembly 100A is arranged in the upper part of the housing 10 along the longitudinal axis direction, and the battery assembly 100B is arranged in the lower part of the housing 10 along the longitudinal axis direction L. In some embodiments, a part of the oil storage assembly 100A can extend through the opening 10 a of the housing 10. In some embodiments, a part of the oil storage assembly 100A is not covered by the housing 10. In some embodiments, the cigarette holder cover 11a shown in FIGS. 2A and 2B is not covered by the housing 10. In some embodiments, the top rubber plug 12 shown in FIGS. 2A and 2B is not covered by the housing 10.

In some embodiments, the housing 10 is an elongated flat structure. The flat structure of the housing 10 can effectively avoid rolling or sliding when the atomizer is placed horizontally.

In some embodiments, the surface of the housing 10 may be a smooth curved surface, including a curved surface and a curved surface, so as to improve the hand feeling when the user uses the hand grip or the finger grip. In some embodiments, the cross section of the housing 10 perpendicular to the long axis direction may include, but is not limited to, a rectangle and an ellipse.

As shown in FIGS. 3A and 3B, the oil cup 11 has a first opening 11b and a second opening 11c opposite to each other. The first opening 11 b is formed at the top of the oil cup 11, and the second opening 11 c is formed at the bottom of the oil cup 11. The oil cup 11 has an accommodating space 11d, the accommodating space 11d is located between the first opening 11b and the second opening 11c, and the accommodating space 11d communicates with the first opening 11b and the second opening 11c. At least a part of the accommodating space 11d of the oil cup 11 is used to store e-liquid.

The top rubber plug 12 is disposed in the first opening 11b in the oil cup 11 close to the top of the cigarette holder cover 11a. The top rubber plug 12 can close the first opening 11 b of the oil cup 11. The top rubber plug 12 can prevent e-liquid from leaking from the edge of the first opening 11b. In detail, the top rubber plug 12 has an engaging portion 12c, and the engaging portion 12c has a concave-convex structure. The top rubber plug 12 is fixed to the inner wall surface of the oil cup 11 through the concave-convex structure of the engaging portion 12c. In addition, the top rubber plug 12 has an air outlet passage 12a extending therethrough.

The oil cup base 15 is disposed at the second opening 11c at the bottom of the oil cup 11. The oil cup base 15 can close the second opening 11c of the oil cup 11. The oil cup base 15 can prevent e-liquid from leaking from the edge of the second opening 11c.

In addition, the oil cup base 15 has an air inlet passage 15 a penetrating through, and the air inlet passage 15 a has a top opening and a bottom opening. The top opening of the air inlet passage 15a communicates with the hollow cannula 14, and the bottom opening of the air inlet passage 15a communicates with the battery assembly 100B.

The hollow cannula 14 is arranged in the oil cup 11. The hollow cannula 14 can be arranged between the top rubber plug 12 and the oil cup base 15. The hollow cannula 14 has an annular tube wall surface 14a inside. The hollow cannula 14 includes an air flow channel 14b extending along the wall surface 14a of the tube. The hollow insert tube 14 includes at least one smoke oil flow channel 14c penetrating through the tube wall 14a.

The hollow cannula 14 has a top end opening 14d and a bottom end opening 14e. The hollow cannula 14 can communicate with the air outlet channel 12a of the top rubber plug 12 through the top opening 14d. The hollow insert tube 14 communicates with the air inlet passage 15a of the oil cup base 15 through the bottom opening 14e. The air flow can be introduced into the heating device 13 in the oil cup 11 through the air inlet passage 15 a of the oil cup base 15. The air flow can then be led out along the hollow cannula 14 through the cigarette holder cover 11 a at the top of the oil cup 11.

In some embodiments, the material of the hollow cannula 14 may include metal. In some embodiments, the material of the hollow cannula 14 may include stainless steel. When the material of the hollow cannula 14 is metal, especially stainless steel, the material of the hollow cannula 14 is stable. When the material of the hollow cannula 14 is metal, especially stainless steel, the hollow cannula 14 will not be deformed when the heating temperature rises. When the material of the hollow insert tube 14 is metal, especially stainless steel, the hollow insert tube 14 is not easily corroded by smoke oil.

In some embodiments, the material of the hollow cannula 14 may include plastic. The hollow cannula 14 containing plastic can reduce the cost of the hollow cannula 14. The hollow cannula 14 containing plastic can reduce the weight of the atomization device 100. The plastic material used for the hollow cannula 14 has high temperature resistance characteristics. In some embodiments, the plastic material used for the hollow cannula 14 has a melting point greater than 260°C. In some embodiments, the plastic material used for the hollow cannula 14 has a melting point greater than 340°C.

In some embodiments, the hollow cannula 14 may include two parts formed of different materials. In some embodiments, a part of the material of the hollow cannula 14 may include plastic, and a part may include metal. In some embodiments, a portion of the hollow cannula 14 near the top rubber plug 12 may comprise plastic. In some embodiments, a portion of the hollow cannula 14 near the heating device 13 may include metal.

The heating device 13 may be arranged in the air flow channel 14 b in the hollow cannula 14. The heating device 13 can be arranged between the top rubber plug 12 and the oil cup base 15. The heating device 13 is electrically coupled to the battery assembly 100B. The power provided by the battery assembly 100B can increase the temperature of the e-liquid in the oil cup 11 to generate aerosol for inhalation by the user. The aerosol generated by the heating device 13 can be led out through the hollow cannula 14 through the cigarette holder cover 11a at the top of the oil cup 11.

The battery holder 16 may be the component closest to the oil cup base 15 in the battery assembly 100B. The battery 17 can be fixed in the housing 10 through the battery holder 16. The battery 17 can be further electrically connected to the heating device 13 and/or the sensor 18 through the battery holder 16. The battery holder 16 can improve the stability of the electrical connection. The battery holder 16 can reduce the influence caused by external shaking or knocking.

In some embodiments, there is a gap G in the assembly of the battery holder 16 and the battery 17 disposed inside the housing 10 (as shown in FIG. 1E). The gap G can prevent the battery holder 16 from obstructing the air flow inside the housing 10.

The sensor package 19 is provided at the bottom end of the longitudinal axis L in the housing 10. The sensor package 19 includes an air inlet duct 193 (as shown in FIGS. 1E and 3A), wherein the air inlet duct 193 connects at least one opening 10 b of the housing 10 with the inside of the housing 10. The sensor 18 is embedded in the sensor package 19 and can sense different parameters inside and outside the intake duct 193, such as air flow, air pressure difference, or sound waves. When the parameter value reaches or falls below a certain threshold, the sensor 18 can connect the circuit between the battery 17 and the heating device 13 so that the battery 17 can supply power to the heating device 13. When the pressure difference is lower than or reaches a certain threshold, the sensor 18 can disconnect the circuit between the battery 17 and the heating device 13 to stop the battery 17 from supplying power to the heating device 13. The sensor package 19 can effectively seal the opening 10b or gap at the bottom end of the housing 10 except for the intake duct 93. The sensor package 19 can make the parameters inside and outside the air intake duct 193 in the atomization device 100 more stable. The sensor package 19 can effectively improve the accuracy of the sensor 18.

In some embodiments, the sensor 18 may be an airflow sensor. In some embodiments, the sensor 18 may be a barometric pressure sensor. In some embodiments, the sensor 18 may be an acoustic wave sensor. In some embodiments, the sensor 18 may be an acoustic wave receiver. In some embodiments, the sensor 18 may be a microphone.

The detailed structure of the components of the atomization device 100 in some embodiments of this case will be described in detail below.

As shown in FIG. 1E, at least a part of the outer wall of the bottom end of the oil cup 11 can be covered by the outer shell 10 and combined and fixed. In some embodiments, at least a part of the outer wall of the bottom end of the oil cup 11 and the outer shell 10 may be fixed by a bonding agent. In some embodiments, at least a part of the outer wall of the bottom end of the oil cup 11 may include at least one protrusion or recess and the housing 10 has at least one corresponding recess or protrusion. At least a part of the outer wall of the bottom end of the oil cup 11 and the housing 10 may be The at least one corresponding concave-convex portion is combined and fixed.

As shown in FIG. 1E, the cigarette holder cover 11 a is disposed at the first opening 11 b of the oil cup 11 and is connected to the top rubber plug 12. In detail, the cigarette holder cover 11a has an outlet channel 11e which communicates with the air outlet channel 12a of the top rubber plug 12. In some embodiments, the pipe diameter of the outlet channel 11e may have an uneven inner diameter. In some embodiments, the diameter of the outlet channel 11e can expand from the end close to the top rubber plug 12 toward the end away from the top rubber plug 12. In this embodiment, the oil cup 11 and the cigarette holder cover 11 a are two separate components, and the cigarette holder cover 11 a is provided on the top portion of the oil cup 11 that is not covered by the casing 10. The shape of the cigarette holder cover 11a includes, but is not limited to, a circular shape, an oval shape, and any curved surface structure. In some embodiments, the surface portion of the mouthpiece cover 11a is coplanar with the surface of the housing 10 to prevent the user from being scratched by the mouthpiece or the protrusion of the housing during use, thereby improving the user experience.

In some embodiments, the mouthpiece cover 11a may comprise plastic. In some embodiments, the cigarette holder cover 11a may contain edible silica gel to further improve the safety of the user when using the atomizing device.

As shown in FIG. 1E, the inner wall 11i of the oil cup 11, the outer wall of the hollow cannula 14, the top surface 15g of the oil cup base 15 and the bottom 12d of the top rubber plug 12 together form an oil storage bin 36 for storing e-liquid.

In some embodiments, the oil storage bin 36 can directly store e-liquid. In some embodiments, the storage tank 36 is hollow. In some embodiments, the oil storage bin 36 does not contain any oil storage components. The hollow oil storage tank 36 can reduce the overall weight of the atomization device 100. The hollow oil storage bin 36 can increase the storage capacity of e-liquid.

In some embodiments, the oil storage bin 36 may further include an oil storage member. Examples of oil storage members include, but are not limited to, oil storage bags, oil storage boxes, or porous oil storage materials, such as oil storage cotton, ceramics, and silica gel. In some embodiments, the oil storage capacity of the oil storage bin can match the power of the battery to optimize the number of uses of the atomization device, and avoid excessive smoke oil or power loss.

The air outlet channel 12a of the top rubber plug 12 is configured to connect the hollow cannula 14 and the inward opening of the outlet channel 11e of the cigarette holder cover 11a. In some embodiments, the pipe diameter of the air outlet channel 12a is slightly smaller than the air channel 14b of the hollow cannula 14, so as to reduce the overflow of smoke oil through the air outlet channel 12a. In some embodiments, the air outlet channel 12a further includes a filter (not shown in the figure), which can allow the aerosol used for user inhalation to pass through, and prevent the passage of unatomized or condensed e-liquid, further reducing e-liquid Overflow through the outlet passage 12a. In some embodiments, the filter comprises a porous material, for example, oil absorbent cotton, porous carbon.

As shown in FIG. 2B, in some embodiments, the wall surface of the air outlet channel 12a of the top rubber plug 12 has a plurality of concave-convex structures, the cigarette holder cover 11a includes a convex block 11f, and the outlet channel 11e penetrates the convex block 11f. The bump 11f can be inserted into the air outlet channel 12a. The concave-convex structure of the wall surface of the air outlet channel 12a can be used to strengthen the stable arrangement of the top rubber plug 12 and the cigarette holder cover 11a with respect to each other.

In some embodiments, the cigarette holder cover 11a further includes a first positioning structure 11g, and the top rubber plug 12 further includes a second positioning structure 12e. The first positioning structure 11g and the second positioning structure 12e are relatively joined to each other. The first positioning structure 11g and the second positioning structure 12e can further enhance the stable arrangement of the top rubber plug 12 and the cigarette holder cover 11a. In some embodiments, the first positioning structure 11g of the cigarette holder cover 12 is a protrusion, the second positioning structure 12e of the top rubber plug 12 is a groove, and the first positioning structure 11g and the second positioning structure 12e are arranged corresponding to each other. In some embodiments, the groove of the second positioning structure 12e further has a concave-convex structure. The concave-convex structure can further strengthen the stable arrangement of the top rubber plug 12 and the cigarette holder cover 11a.

As shown in FIG. 2B, in some embodiments, the cigarette holder cover 11a further includes a first fixing structure 11h, and the housing 10 further includes a second fixing structure 10c. By joining and fixing the first fixing structure 11h and the second fixing structure 10c with each other, the cigarette holder cover 11a can be stably arranged on the housing 10. In some embodiments, the first fixing structure 11h is a hook, and the second fixing structure 10c is a slot. In some embodiments, after the cigarette holder cover 11a is fixed on the housing 10, by the engagement of the first fixing structure 11h and the second fixing structure 10c with each other, it is difficult for the user to detach the cigarette holder cover 11a from the housing 10 with bare hands, and then hold Integrity of the overall structure to avoid damage.

As shown in FIG. 3A, in some embodiments, the cigarette holder cover 11a further includes a third fixing structure 11m, and the housing 10 further includes a fourth fixing structure 11n. The third fixing structure 11m is located on the adjacent side of the first fixing structure 11h, and the fourth fixing structure 11n is located on the adjacent side of the second fixing structure 10c. The third fixing structure 11m and the fourth fixing structure 11n correspond to each other to strengthen the fixation between the cigarette holder cover 11a and the housing 10. In some embodiments, the third fixing structure 11m may be a groove, and the fourth fixing structure 11n may be a bump. In some other embodiments, the third fixing structure 11m may be a bump, and the fourth fixing structure 11n may be a groove.

As shown in FIGS. 2B, 3A, and 3B, the hollow cannula 14 includes a first hollow portion 14f and a second hollow portion 14g that are connected. The inner diameter of the first hollow portion 14f is smaller than the inner diameter of the second hollow portion 14g. The hollow tube 20 is disposed in the second hollow portion 14g, and the second hollow portion 14g is located between the first hollow portion 14f and the battery assembly 100B. In this embodiment, the air flow channel 14b is located in the first hollow portion 14f and the second hollow portion 14g. At least one e-liquid flow channel 14c is formed in the second hollow portion 14g.

As shown in FIGS. 1E and 3B, the oil cup base 15 includes an air intake passage 15 a, wherein the air intake passage 15 a penetrates the body of the oil cup base 15 and is configured to connect the hollow cannula 14 and the inside of the oil cup 11. In more detail, the air intake passage 15 a has a top opening and a bottom opening opposite to each other, the top opening is connected to the hollow cannula 14, and the bottom opening is to the battery assembly 17.

As shown in FIG. 1E, in some embodiments, the air intake passage 15a of the oil cup base 15 can be divided into a first section 15b, a second section 15c, and a third section 15d. The second section 15c is between the first section 15b and the third section 15d. The inner diameter of the second section 15c is smaller than the inner diameter of the first section 15b and the inner diameter of the third section 15d. A part of the hollow cannula 14 (ie, the second hollow portion 14g) is inserted into the first section 15b. In more detail, the outer diameter of the hollow cannula 14 (the outer diameter of the second hollow portion 14g) is substantially equal to the inner diameter of the first section 15b, and the outer diameter of the hollow cannula 14 is greater than the inner diameter of the second section 15c. With the above-mentioned size design, the hollow cannula 14 (the second hollow portion 14g) can be firmly engaged in the first section 15b. In addition, the first section 15b also has a concave-convex structure, and the concave-convex structure can strengthen the stable arrangement of the hollow cannula 14.

As shown in FIG. 1E, in some embodiments, the top surface 15g of the oil cup base 15 is inclined inward (ie, at the center), and the top surface 15g is at least at the top opening of the intake passage 15a and the hollow cannula 14 The lower edge of an e-liquid flow channel 14c is substantially flush. In this way, when the user uses the atomizing device 100, since the hollow cannula 14 is basically located above the base 15 of the oil cup, the e-liquid will flow to the e-liquid flow channel 14c along the inclined top surface 15g by gravity. The heating device 13 inside is used to effectively use the e-liquid in the oil storage bin 36.

As shown in FIG. 3A, in some embodiments, the bottom surface of the oil cup base 15 relative to the top surface 15g has an air inlet 15e and two electrical connection inlets 15f. The air inlet 15e and the two electrical connection inlets 15f are respectively openings of the third section 15d (as shown in FIG. 1E). In some embodiments, the electrical connection inlets 15f are respectively located on opposite sides of the intake inlet 15e. In some embodiments, the air inlet 15e and the two electrical connection inlets 15f are connected. In some other embodiments, the air inlet 15e and the two electrical connection inlets 15f may not be connected.

In some embodiments, the air intake passage 15a may further include a filter (not shown in the figure), which can allow the airflow to pass through and prevent the passage of unatomized or condensed e-liquid. The filter can further reduce the leakage of e-liquid through the intake channel. In some embodiments, the filter comprises a porous material, for example, oil absorbent cotton, porous carbon.

4A is a cross-sectional view of a hollow tube and a heating core of a heating device according to some embodiments of the application. Fig. 4B is a side view of the hollow tube and the heating core of the heating device according to some embodiments of the present application.

As shown in FIGS. 4A and 4B, in some embodiments, the heating device 13 includes a hollow tube 20 and a heating core 21. The hollow tube 20 has an inner wall surface 20a inside. At least a part of the heating core 21 is provided on the inner wall surface 20 a of the hollow tube 20. As shown in FIG. 1E, the battery assembly 16 is electrically coupled to the heating core 21. In some embodiments, the material of the hollow tube 20 may include ceramics, and the hollow tube 20 is used for adsorbing e-liquid. In some embodiments, the material of the hollow tube 20 may include silicon oxide. In some embodiments, the material of the hollow tube 20 may include alumina. In some embodiments, the material of the hollow tube 20 may include zirconia. In some embodiments, the material of the hollow tube 20 is a porous material, for example, one or more of cotton, carbon fiber material, silicone material, and ceramic material.

In some embodiments, the heating core 21 includes a heating part 21a and two connecting parts 21b. The heating part 21 a is provided on the inner wall surface 20 a of the hollow pipe 20. The two connecting portions 21b are respectively connected to opposite ends of the heating portion 21a, and the two connecting portions 21b are respectively electrically coupled to the battery assembly 100B (as shown in FIG. 1E). In some embodiments, the heating portion 21a is welded to the inner wall surface 20a of the hollow tube 20 in a spiral manner. The first part of the heating part 21a may be buried between the inner wall surface 20a and the outer wall surface 20b of the hollow tube 20, and the second part of the heating part 21a may extend from the hollow tube 20 to the battery assembly 100B. In some embodiments, the heating core 21 is a resistance heater, which includes, but is not limited to, a wound coil, a heating wire, and a heating circuit.

As shown in FIGS. 1E, 3A, and 3B, in some embodiments, the heating device 13 of the oil storage assembly 100A further includes a hollow adsorption jacket 22. The hollow suction sleeve 22 is arranged in the hollow cannula 14, and the hollow suction sleeve 22 is sleeved on the hollow pipe 20. Wherein, the hollow adsorption sleeve 22 can further lead the e-liquid from the oil storage bin 36 for storage, and introduce the e-liquid into the hollow pipe 20 to improve the conduction efficiency of the e-liquid. In some embodiments, the material of the hollow adsorption sleeve 22 is a polymer material. In some embodiments, the hollow suction sleeve 22 is a non-woven fabric.

In this way, by the combined configuration of the hollow tube 20, the heating core 21 and the hollow adsorption sleeve 22 of the heating device 13, the e-liquid can pass through at least one e-liquid flow channel 14c and the hollow adsorption sleeve 22 of the hollow cannula 14 to get from the oil cup The oil storage bin 36 (not shown in the figure) in the 11 is introduced into the hollow pipe 20, and the smoke oil is brought into contact with the heating core 21. Then, the temperature of the e-liquid is raised by the heating core 21 to generate aerosol for inhalation by the user. The heating core 21 can be connected to the heating device 13 and the battery assembly 100B via the air inlet passage 15a of the oil cup base 15.

As shown in FIGS. 1E, 3A, and 3B, in some embodiments, the battery assembly 100B further includes a first electrode 31 and a second electrode 32. The first electrode 31 and the second electrode 32 electrically couple the battery 17 and the two connecting portions 21b, respectively. Taking the first electrode 31 as an example, the first electrode 31 further includes an electrical connection wire 33 and a protective cover 34. One end of the electrical connection wire 33 is electrically coupled to the battery 17, and the other opposite end of the electrical connection wire 33 is disposed in the protective cover 34. The protective cover 34 has an opening, and the opening faces the battery assembly 100B. The free end of the connecting portion 21 b of the heating core 21 is bent and disposed in the protective cover 34 through the opening, so that the connecting portion 21 b in the protective cover 34 is electrically coupled to the electrical connecting wire 33. In some embodiments, the protective cover 34 is engaged with opposite sides of the third section 15 d of the air intake passage 15 a, and the shape of the third section 15 d corresponds to the shape of the protective cover 34. In addition, as shown in FIG. 1E, even though the two protective covers 34 are disposed in the third section 15d, a flow path remains between the two protective covers 34. The flow channel allows air flow to flow from the battery assembly 100B to the hollow cannula 14.

In some embodiments, the heating core 21 may have a self-limiting temperature characteristic. The resistance value of the heating core 21 can increase as the temperature increases. When the temperature of the heating core 21 reaches a threshold value T1, it has a resistance value R1. In some embodiments, when the temperature of the heating core 21 reaches a threshold T1, the connection of the heating core 21 and the battery assembly 100B can no longer cause the temperature of the heating core 21 to rise. In some embodiments, when the resistance value of the heating core 21 reaches R1, the heating power output by the heating core 21 can no longer increase the temperature of the heating core 21.

In some embodiments, the threshold value T1 is in the range of 200°C to 220°C. In some embodiments, the threshold value T1 is in the range of 220°C to 240°C. In some embodiments, the threshold value T1 is in the range of 240°C to 260°C. In some embodiments, the threshold value T1 is in the range of 260°C to 280°C. In some embodiments, the threshold value T1 is in the range of 280°C to 300°C. In some embodiments, the threshold value T1 is in the range of 280°C to 300°C. In some embodiments, the threshold value T2 is in the range of 300°C to 320°C.

In some embodiments, when heated to the threshold value T1, the heating core 21 has a resistance value greater than 10Ω. In some embodiments, when heated to the threshold value T1, the heating core 21 has a resistance value greater than 15Ω. In some embodiments, when heated to the threshold value T1, the heating core 21 has a resistance value greater than 20Ω. In some embodiments, when heated to the threshold value T1, the heating core 21 has a resistance value greater than 30Ω.

The self-limiting temperature characteristic of the heating core 21 can prevent the heating core 21 from burning dry. The self-limiting temperature characteristic of the heating core 21 can reduce the probability of the heating device 13 being burnt out. The self-limiting temperature characteristic of the heating core 21 can increase the safety of the heating device 13. The self-limiting temperature characteristic of the heating core 21 can increase the service life of each component in the heating device 13. The self-limiting temperature characteristic of the heating core 21 can effectively reduce the risk of nicotine cracking.

The self-limiting temperature characteristic of the heating core 21 can control the smoke emission temperature of the atomizing device 100 at the cigarette holder cover 11a within a specific temperature to avoid burns to the lips. In some embodiments, the smoke temperature of the atomization device 100 can be controlled within the range of 35°C to 60°C. In some embodiments, the smoke temperature of the atomization device 100 can be controlled within the range of 35°C to 40°C. In some embodiments, the smoke temperature of the atomization device 100 can be controlled within a range of 40°C to 45°C. In some embodiments, the smoke temperature of the atomization device 100 can be controlled within a range of 45°C to 50°C. In some embodiments, the smoke temperature of the atomization device 100 can be controlled within a range of 50°C to 55°C. In some embodiments, the smoke temperature of the atomization device 100 can be controlled within a range of 55°C to 60°C.

In some embodiments, a protection component may be provided between the heating part 21a and the two connecting parts 21b.

In some embodiments, the protection component has recoverable characteristics.

When the temperature of the protection component rises to a threshold T2, the protection component forms an open circuit. When the temperature of the protection component drops to a threshold e, the protection component forms a short circuit. When the temperature of the protection component rises to a threshold T2, the connecting portion 21b cannot provide current to the heating portion 21a. When the temperature of the protection component drops to a threshold T3, the connecting portion 21b can provide current to the heating portion 21a.

In some embodiments, the threshold value T3 may be the same as the threshold value T2. In some embodiments, the threshold value T3 may be different from the threshold value T2. In some embodiments, the threshold value T3 may be lower than the threshold value T2.

In some embodiments, the threshold value T2 is in the range of 200°C to 220°C. In some embodiments, the threshold value T2 is in the range of 220°C to 240°C. In some embodiments, the threshold value T2 is in the range of 240°C to 260°C. In some embodiments, the threshold value T2 is in the range of 260°C to 280°C. In some embodiments, the threshold value T2 is in the range of 280°C to 300°C. In some embodiments, the threshold value T2 is in the range of 300°C to 320°C.

In some embodiments, the threshold value T3 is in the range of 180°C to 200°C. In some embodiments, the threshold value T3 is in the range of 200°C to 220°C. In some embodiments, the threshold value T3 is in the range of 220°C to 240°C. In some embodiments, the threshold value T3 is in the range of 240°C to 260°C. In some embodiments, the threshold value T3 is in the range of 260°C to 280°C. In some embodiments, the threshold value T3 is in the range of 280°C to 300°C. In some embodiments, the protection component may be a resettable fuse.

In some embodiments, the protection component does not have recoverable characteristics.

When the temperature of the protection component rises to a threshold T2, the protection component forms an open circuit. In some embodiments, the protection component that forms an open circuit does not form a short circuit due to the temperature drop.

The protection component can prevent the heating part 21a from burning dry. The protective component can reduce the probability of the atomization device 100 being burnt. The protection component can increase the safety of the atomization device 100. The protection component can increase the service life of each component in the atomization device 100.

It can be seen from FIGS. 1E and 3A that, in some embodiments, the oil storage assembly 100A further includes an oil absorption layer 23. The oil absorption layer 23 is located between the oil cup base 15 and the battery assembly 100B, and the oil absorption layer corresponds to a part of the second electrical connection inlet 15f. The oil absorbing layer 23 is used to absorb excess liquid leakage or moisture from the e-liquid from the base 15 of the oil cup, and the oil absorbing layer 23 can be used to locate the connecting line 33.

The oil absorption layer 23 may include the same material as the hollow absorption sleeve 22. The oil absorption layer 23 may include a material different from the hollow absorption sleeve 22. In some embodiments, the oil absorption layer 23 may be a polymer material or cotton. In some embodiments, the oil storage capacity of the oil absorption layer 23 may be better than that of the hollow adsorption jacket 22. In some embodiments, the oil-conducting speed of the oil-absorbing layer 23 may be slower than that of the hollow adsorption sleeve 22. In some embodiments, the oil absorbing layer 23 may be U-shaped to avoid the air inlet 15e of the oil cup base 15 and keep the air inlet passage 15a unblocked, as shown in FIG. 1E.

Referring to FIG. 1E, the side of the sensor 18 close to the bottom end of the housing 10 may include one or more light-emitting components (not shown in the figure), located beside a part 183 of the side of the sensor 18 close to the bottom of the housing 10. Wherein, at least a part of the sensor package 19 is a light-transmitting member 191, and the light-transmitting member 191 may be a transparent or semi-transparent material. The light-transmitting member 191 can guide the light generated by one or more light-emitting components to the outside through at least one or more openings 10b at the bottom end of the housing 10. According to different operating states of the atomization device 100, the sensor 18 can control one or more light-emitting components disposed thereon to produce different visual effects. In some embodiments, one or more light-emitting components on the sensor 18 may be arranged in an array. In some embodiments, the array of one or more light-emitting components may have one or more rows. In some embodiments, the array formed by one or more light-emitting components may have one or more columns.

In some embodiments, when the user inhales the atomizing device, the sensor 18 can control one or more light-emitting components to produce a visual effect.

In some embodiments, the sensor 18 may be disposed at a position that is laterally translated a certain distance from the central longitudinal axis of the sensor package 19. This position can ensure that the position of one or more light-emitting components on the sensor 18 can correspond to the position of the light-transmitting member 191 in the sensor package. In some embodiments, the sensor 18 can be laterally symmetrically arranged at the central longitudinal axis of the sensor package 19.

In some embodiments, the air intake passage 193 in the sensor package 19 can pass through at least a portion 183 of the side of the sensor 18 close to the bottom of the housing. When the user inhales the atomization device, the air flow introduced from the air inlet channel 193 can contact a part 183 of the side of the sensor 18 close to the bottom of the housing, thereby increasing the sensing area of the sensor. The increased sensing area can improve the sensitivity and accuracy of the sensor.

According to one aspect of the embodiments of the present application, the preparation method of the atomization device includes: sequentially assembling the oil cup base, the heating device, the hollow cannula, the first electrode, the second electrode and the oil cup from the opening of the oil cup; As shown in 2A and 2B, the sensor package, battery holder, battery and the above components are then assembled in order from the opening of the housing; then, the e-liquid can be injected into the oil cup at the original work site or a second place; the top glue The plug is assembled on the oil cup; the cigarette holder cover is sleeved on the top rubber plug and the oil cup to complete the preparation of the atomization device. The preparation of the atomization device of the present application simplifies the assembly procedure, and effectively reduces the production cost and man-hours.

As used herein, the terms "approximately", "substantially", "substantially" and "about" are used to describe and consider small variations. When used in conjunction with an event or situation, the term may refer to an example in which the event or situation occurs precisely and an example in which the event or situation occurs in close proximity. As used herein with respect to a given value or range, the term "about" generally means within ±10%, ±5%, ±1%, or ±0.5% of the given value or range. Ranges can be expressed herein as from one end point to another end point or between two end points. Unless otherwise specified, all ranges disclosed herein include endpoints. The term "substantially coplanar" may refer to two surfaces located within a few micrometers (μm) along the same plane, for example, within 10 μm, within 5 μm, within 1 μm, or within 0.5 μm located along the same plane. When referring to "substantially" the same value or characteristic, the term may refer to a value within ±10%, ±5%, ±1%, or ±0.5% of the average value of the stated value.

As used herein, the terms "approximately", "substantially", "substantially" and "about" are used to describe and explain small changes. When used in conjunction with an event or situation, the term may refer to an example in which the event or situation occurs precisely and an example in which the event or situation occurs in close proximity. For example, when used in combination with a value, the term can refer to a range of variation less than or equal to ±10% of the stated value, for example, less than or equal to ±5%, less than or equal to ±4%, less than or equal to ±3% , Less than or equal to ±2%, less than or equal to ±1%, less than or equal to ±0.5%, less than or equal to ±0.1%, or less than or equal to ±0.05%. For example, if the difference between two values is less than or equal to ±10% of the average value of the value (for example, less than or equal to ±5%, less than or equal to ±4%, less than or equal to ±3%, less than Or equal to ±2%, less than or equal to ±1%, less than or equal to ±0.5%, less than or equal to ±0.1%, or less than or equal to ±0.05%), then the two values can be considered "substantially" or " About" is the same. For example, "substantially" parallel can refer to a range of angular variation less than or equal to ±10° relative to 0°, for example, less than or equal to ±5°, less than or equal to ±4°, less than or equal to ±3°, Less than or equal to ±2°, less than or equal to ±1°, less than or equal to ±0.5°, less than or equal to ±0.1°, or less than or equal to ±0.05°. For example, "substantially" perpendicular may refer to an angular variation range of less than or equal to ±10° relative to 90°, for example, less than or equal to ±5°, less than or equal to ±4°, less than or equal to ±3°, Less than or equal to ±2°, less than or equal to ±1°, less than or equal to ±0.5°, less than or equal to ±0.1°, or less than or equal to ±0.05°.

For example, if the displacement between two surfaces is equal to or less than 5μm, equal to or less than 2μm, equal to or less than 1μm, or equal to or less than 0.5μm, then the two surfaces can be considered coplanar or substantially coplanar . If the displacement between any two points on the surface relative to the plane is equal to or less than 5μm, equal to or less than 2μm, equal to or less than 1μm, or equal to or less than 0.5μm, then the surface can be considered to be flat or substantially flat .

As used herein, the terms "conductive,""electricallyconductive," and "conductivity" refer to the ability to transfer current. Conductive materials generally indicate those materials that exhibit little or zero resistance to current flow. One measure of conductivity is Siemens/meter (S/m). Generally, the conductive material is a material with a conductivity greater than approximately 10 ⁴ S/m (for example, at least 10 ⁵ S/m or at least 10 ⁶ S/m). The conductivity of a material can sometimes change with temperature. Unless otherwise specified, the electrical conductivity of the material is measured at room temperature.

As used herein, unless the context clearly dictates otherwise, the singular terms "a/an" and "said" may include plural indicators. In the description of some embodiments, a component provided “on” or “above” another component may cover the case where the former component is directly on the latter component (for example, in physical contact with the latter component), and one or more A situation where an intermediate component is located between the previous component and the next component.

As used herein, for ease of description, spatially relative terms such as "below", "below", "lower", "above", "upper", "lower", "left", "right" may be used herein. Describes the relationship between one component or feature and another component or feature as illustrated in the figure. In addition to the orientations depicted in the figures, the spatial relative terms are intended to cover different orientations of the device in use or operation. The device can be oriented in other ways (rotated by 90 degrees or in other orientations), and the spatial relative descriptors used herein can also be interpreted accordingly. It should be understood that when a component is referred to as being “connected to” or “coupled to” another component, it can be directly connected or coupled to the other component, or intervening components may be present.

As used herein, the terms "about", "substantially", "substantially" and "about" are used to describe and consider small variations. When used in conjunction with an event or situation, the term can refer to a situation in which the event or situation clearly occurs and a situation in which the event or situation is very close to occurrence. As used herein in relation to a given value or range, the term "about" generally means within ±10%, ±5%, ±1%, or ±0.5% of the given value or range. Ranges can be expressed herein as from one endpoint to the other or between two endpoints. Unless otherwise specified, all ranges disclosed herein include endpoints. The term "substantially coplanar" may refer to two surfaces located along the same plane within a few microns (μm), for example, within 10 μm, within 5 μm, within 1 μm, or within 0.5 μm along the same plane. When referring to "substantially" the same value or characteristic, the term may refer to a value within ±10%, ±5%, ±1%, or ±0.5% of the average value of the stated value.

The foregoing summarizes the features of several embodiments and details of the present disclosure. The embodiments described in the present disclosure can be easily used as a basis for designing or modifying other processes and structures for performing the same or similar purpose and/or obtaining the same or similar advantages of the embodiments introduced herein. These equivalent constructions do not depart from the spirit and scope of the present disclosure and various changes, substitutions and alterations can be made without departing from the spirit and scope of the present disclosure.

Claims

An atomization device, which is characterized by comprising:

Oil storage components; which include:

Oil cup, which has a accommodating space;

A hollow cannula is arranged in the oil cup, and the hollow cannula has a pipe wall surface and at least one smoke oil flow channel penetrating through the pipe wall surface; and

The heating device is arranged in the hollow cannula and includes:

Hollow pipe fitting, which has an inner wall surface; and

A heating core, a part of which is arranged on the inner wall surface;

The battery assembly is electrically coupled to the heating core.
The atomizing device according to claim 1, wherein the oil cup has a first opening and a second opening opposite to each other, the hollow cannula has a top opening and a bottom opening, and the oil storage assembly It further includes:

The top rubber plug is arranged in the first opening, and the top rubber plug has an air outlet channel connected to the top end opening.
The atomization device according to claim 2, wherein the oil storage assembly further comprises:

The oil cup base is arranged at the first opening, the oil cup base has an air inlet channel, the air inlet channel has a top opening and a bottom opening opposite to each other, and the top opening communicates with the hollow cannula, The bottom opening communicates with the battery assembly,

Wherein, the inner wall of the oil cup, the outer wall of the hollow insert tube, the top surface of the oil cup base and the bottom of the top rubber plug are jointly surrounded to form a closed oil storage bin.
The atomization device according to claim 3, wherein the top surface of the oil cup base is inclined inward, and the top surface is connected to the at least one smoke at the top opening of the air inlet channel. The oil flow passage is substantially flush.
The atomization device according to claim 2, wherein the oil storage assembly further comprises:

The cigarette holder cover is fixedly arranged at the first opening of the oil cup and joined to the top rubber plug. The cigarette holder cover has an outlet channel connected to the air outlet channel of the top rubber plug.
The atomization device according to claim 5, wherein the cigarette holder cover includes a first positioning structure, the top rubber plug includes a second positioning structure, the first positioning structure and the second positioning structure The structures are joined to each other.
The atomization device according to claim 6, wherein the first positioning structure of the cigarette holder cover is a convex post, and the second positioning structure of the top rubber plug is a groove.
The atomization device according to claim 2, wherein the oil storage assembly further comprises:

The hollow suction sleeve is arranged in the hollow cannula and sleeved on the hollow pipe fitting.
8. The atomization device according to claim 8, wherein the hollow adsorption sleeve comprises a polymer material.
The atomization device according to claim 1, wherein the material of the hollow tube includes ceramics.
The atomization device according to claim 1, wherein the hollow cannula comprises a first hollow portion and a second hollow portion that are connected, and the inner diameter of the first hollow portion is smaller than that of the second hollow portion The hollow pipe is arranged in the second hollow part, and the second hollow part is located between the first hollow part and the battery assembly.
The atomization device according to claim 1, wherein the heating core comprises:

The heating part is arranged on the inner wall surface of the hollow pipe fitting;

First connecting part

Second connecting part

The first connecting part and the second connecting part are connected to both ends of the heating part and electrically coupled to the battery assembly.
The atomization device according to claim 12, wherein the heating part is welded to the inner wall surface of the hollow pipe in a spiral manner.
The atomizing device according to claim 12, wherein the first part of the heating part is embedded between the inner wall surface and the outer wall surface of the hollow pipe, and the second part of the heating part is from the The hollow tube extends toward the battery assembly.
The atomization device according to claim 12, wherein the battery assembly comprises:

Battery; and

A first electrode and a second electrode. The first electrode and the second electrode are electrically coupled to the battery and the first connection portion and the second connection portion, respectively.
The atomization device according to claim 15, wherein the first electrode comprises:

An electrical connection line, one end of which is electrically coupled to the battery; and

A protective cover, the other opposite end of the electrical connection line is arranged in the protective cover.
The atomization device according to claim 15, wherein the protective cover has an opening, the opening faces the battery assembly, and one end of the connecting portion is bent and is disposed on the Inside the protective cover, it is electrically coupled with the electrical connection line.
The atomization device according to claim 15, wherein the oil storage assembly further comprises:

The oil cup base is connected to the battery assembly, the oil cup base has an air inlet channel, wherein the air inlet channel is configured to be connected to the hollow cannula, and the first electrode and the second electrode pass through the The air intake passage connects the battery and the two connecting parts.
The atomization device according to claim 1, wherein the atomization device further comprises:

The housing, wherein at least a part of the oil storage assembly and the battery assembly are covered and fixed by the housing.
The atomization device according to claim 19, wherein the battery assembly comprises:

Sensor; and

The sensor package includes an air intake duct, the sensor package is disposed at the bottom end of the housing, and the air intake duct passes through at least a part of a side of the sensor close to the bottom end of the housing.